Review Article

Use of Cone Beam Computed Tomography in Endodontics

Table 3

Reported Comparative Radiation Effective Dose ( ) for Limited, “Focused” or Small FOV CBCT Systems.

Dose

AbsoluteComparative

CBCT unitRef.TechniqueEffective dose ( Sv)Digital panoramic equivalent No. of days of annual per capita background

Kodak 9000 3D[30]Mx Post/Mx Ant/Mn Post/Mn Ant9.8/5.3/38.3/21.7.7/.4/2.7/1.61.2/.6/4.7/2.6
PreXion 3D[18]Standard/High Res189/38813.5/27.723/47
ProMax 3D[18]Small/Large488/65235/4759/79
3D Accuitomo[23]Ant (  cm/  cm)20/431.4/3.12.5/5.2
[24]Min (Mn PM)—Max (Mn 3rd Mol)11–77.8–5.52.5–5.2
[19]Mx (Ant/PM/Mol)29/44/292/3.2/23.5/5.3/3.5
Mn (Ant/PM/Mol)13/22/29.9/1.6/21.6/2.7/3.5
[17]II/FPD Large/FPD Small30/102/502.1/7.3/3.63.6/12.4/6
Veraview[23]Ant (  cm/  cm/pan +  cm)31/40/302.2/2.9/2.13.8/4.9/3.6
[25]  cm2.9.2.06

Using 2007 ICRP calculations.
Median of published effective dose for digital dental panoramic radiography  =  14  Sv.
Annual per capita  =  3.0 mSv (3,000  Sv) per annum.